Photos: NASCAR at Auto Club Speedway, Friday March 24, 2017

FONTANA, CA - MARCH 24: Dale Earnhardt Jr, driver of the #88 Axalta Chevrolet, drives during practice for the Monster Energy NASCAR Cup Series Auto Club 400 at Auto Club Speedway on March 24, 2017 in Fontana, California. (Photo by Chris Graythen/Getty Images)